:root {
  --ink: #12343B;
  --ink-soft: #35565E;
  --deep: #0B5E75;
  --aqua: #0E7490;
  --aqua-bright: #38BDF8;
  --aqua-pale: #7DD3E8;
  --aqua-deep: #0284C7;
  --pale-bg: #E0F2F5;
  --gold: #D9A441;
  --gold-dark: #8A5E12;
  --surface: #FFFFFF;
  --line: #D8E7EA;
  --body-bg: #F4F9FB;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--body-bg);
  overflow-x: hidden;
}

a {
  color: var(--deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--aqua);
  color: #FFFFFF;
  border-color: var(--aqua);
}

.btn-primary:hover {
  background-color: var(--deep);
  border-color: var(--deep);
  box-shadow: 0 10px 24px rgba(14, 116, 144, 0.28);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--deep);
  border-color: #FFFFFF;
}

.btn-white:hover {
  background-color: var(--pale-bg);
  border-color: var(--pale-bg);
  box-shadow: 0 10px 24px rgba(18, 52, 59, 0.18);
}

.btn-outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.btn-outline-white:hover {
  background-color: #FFFFFF;
  color: var(--deep);
}

.section {
  padding: 84px 0;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}

.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 14px;
}

.section-title {
  font-size: 34px;
  line-height: 1.2;
  color: var(--deep);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--ink-soft);
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
}

.nav-brand {
  flex: 1 1 0;
  display: flex;
  align-items: center;
}

.nav-brand a {
  font-size: 20px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--aqua);
  text-decoration: none;
}

.nav-cta-wrap {
  flex: 1 1 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.nav-cta {
  background-color: var(--aqua);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.nav-cta:hover {
  background-color: var(--deep);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--deep);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.top-nav.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.top-nav.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.top-nav.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.wave-hero {
  position: relative;
  background: linear-gradient(115deg, #0E7490 0%, #0891B2 48%, #7DD3E8 100%);
  color: #FFFFFF;
  overflow: hidden;
}

.hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 88px 24px 120px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  background-color: var(--pale-bg);
  color: var(--gold-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 46px;
  line-height: 1.12;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 19px;
  line-height: 1.6;
  color: #E8F6FA;
  max-width: 540px;
  margin-bottom: 30px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.pool-card {
  position: relative;
  background-color: #FFFFFF;
  border-radius: 18px;
  padding: 26px;
  box-shadow: 0 30px 60px rgba(10, 52, 62, 0.30);
}

.pool-chip {
  position: absolute;
  top: 40px;
  left: 40px;
  background-color: var(--pale-bg);
  color: var(--deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  z-index: 3;
}

.pool-frame {
  position: relative;
  width: 100%;
  height: 300px;
  border-radius: 14px;
  background-color: var(--aqua-pale);
  overflow: hidden;
}

.pool-water {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  display: flex;
  flex-direction: column;
}

.pool-band-top {
  flex: 1;
  background-color: #7DD3E8;
}

.pool-band-mid {
  flex: 1;
  background-color: #38BDF8;
}

.pool-band-deep {
  flex: 1;
  background-color: #0284C7;
}

.pool-inner {
  position: absolute;
  inset: 8px;
  border: 3px solid #FFFFFF;
  border-radius: 9px;
  pointer-events: none;
  z-index: 2;
}

.pool-sparkle {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #FFFFFF;
  border-radius: 50%;
  z-index: 3;
}

.pool-sparkle.s1 {
  top: 46px;
  right: 48px;
}

.pool-sparkle.s2 {
  top: 24px;
  right: 84px;
  width: 7px;
  height: 7px;
}

.wave-edge {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 54px;
  background-image: radial-gradient(circle at 50% 100%, transparent 0, transparent 22px, #F4F9FB 23px);
  background-size: 64px 54px;
  background-repeat: repeat-x;
  pointer-events: none;
}

.statement-row {
  background-color: #FFFFFF;
  padding: 76px 0;
}

.statement-text {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-size: 30px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--ink);
}

.statement-text span {
  color: var(--aqua);
}

.feature-row {
  background-color: var(--body-bg);
  padding: 88px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.feature-card {
  background-color: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 36px rgba(18, 52, 59, 0.10);
}

.shape-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.shape-diamond {
  width: 26px;
  height: 26px;
  background-color: var(--aqua);
  transform: rotate(45deg);
}

.shape-circle {
  width: 30px;
  height: 30px;
  background-color: var(--aqua);
  border-radius: 50%;
}

.shape-triangle {
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-bottom: 28px solid var(--aqua);
}

.shape-half {
  width: 34px;
  height: 17px;
  background-color: var(--aqua);
  border-radius: 17px 17px 0 0;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.chevron-steps {
  background-color: #FFFFFF;
  padding: 88px 0;
}

.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}

.step {
  flex: 1;
  text-align: center;
}

.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--aqua);
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 8px;
}

.step p {
  font-size: 15px;
  color: var(--ink-soft);
}

.step-arrow {
  font-size: 30px;
  font-weight: 800;
  color: var(--gold);
  padding-top: 10px;
  flex: 0 0 auto;
}

.compare-cards {
  background-color: var(--body-bg);
  padding: 88px 0;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.compare-card {
  background-color: #FFFFFF;
  border-radius: 16px;
  padding: 34px 32px;
}

.compare-card.ours {
  border: 2px solid var(--aqua);
  box-shadow: 0 16px 34px rgba(14, 116, 144, 0.12);
}

.compare-card.others {
  border: 2px solid var(--line);
}

.compare-card h3 {
  font-size: 21px;
  font-weight: 800;
  margin-bottom: 12px;
}

.compare-card.ours h3 {
  color: var(--deep);
}

.compare-card.others h3 {
  color: var(--ink-soft);
}

.compare-card .intro {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.compare-list {
  list-style: none;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--ink);
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.compare-list li:last-child {
  border-bottom: none;
}

.mark-check {
  color: var(--aqua);
  font-weight: 800;
  flex: 0 0 auto;
}

.mark-cross {
  color: #94A3B8;
  font-weight: 800;
  flex: 0 0 auto;
}

.faq-accordion {
  background-color: #FFFFFF;
  padding: 88px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--body-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question .faq-icon {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--aqua);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  transition: transform 0.2s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  display: block;
}

.cta-band {
  background-color: var(--deep);
  color: #FFFFFF;
  padding: 76px 0;
}

.cta-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.cta-band h2 {
  font-size: 32px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.cta-band p {
  font-size: 17px;
  color: #E8F6FA;
  margin-bottom: 0;
}

.cta-right {
  text-align: right;
}

.cta-stats {
  display: flex;
  gap: 26px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.cta-stat {
  font-size: 15px;
  color: #D9F0F5;
}

.cta-stat strong {
  display: block;
  font-size: 26px;
  color: var(--gold);
  font-weight: 800;
}

.cols-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--line);
}

.footer-grid {
  max-width: 1160px;
  margin: 0 auto;
  padding: 60px 24px 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--deep);
  margin-bottom: 18px;
}

.footer-col .brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 12px;
}

.footer-col p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 6px 0;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--aqua);
  text-decoration: none;
}

.footer-contact {
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 8px;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid var(--line);
}

.footer-bottom-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-soft);
}

.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

.page-hero {
  background: linear-gradient(115deg, #0E7490 0%, #0891B2 60%, #38BDF8 100%);
  color: #FFFFFF;
  padding: 72px 0;
}

.page-hero .hero-inner {
  padding: 0 24px;
  display: block;
}

.page-hero .hero-eyebrow {
  background-color: var(--pale-bg);
  color: var(--gold-dark);
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
  max-width: 720px;
}

.page-hero p {
  font-size: 18px;
  color: #E8F6FA;
  max-width: 620px;
}

.content-section {
  padding: 80px 0;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 48px;
}

.service-block {
  background-color: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 30px;
}

.service-block h3 {
  font-size: 21px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 12px;
}

.service-block p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 12px;
}

.service-block p:last-child {
  margin-bottom: 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 40px;
}

.process-card {
  background-color: var(--body-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 22px;
  text-align: center;
}

.process-card .process-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--aqua);
  color: #FFFFFF;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.process-card h4 {
  font-size: 17px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 8px;
}

.process-card p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: start;
}

.contact-info h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.contact-detail {
  margin-bottom: 20px;
}

.contact-detail h4 {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold-dark);
  margin-bottom: 6px;
}

.contact-detail p {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 0;
}

.contact-form {
  background-color: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 34px 32px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 7px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  background-color: var(--body-bg);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--aqua);
  outline-offset: 1px;
}

.form-status {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--deep);
}

.contact-faq {
  margin-top: 56px;
}

.contact-faq h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 18px;
}

@media (max-width: 980px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    display: none;
    box-shadow: 0 18px 30px rgba(18, 52, 59, 0.10);
  }

  .top-nav.nav-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 13px 24px;
    font-size: 16px;
  }

  .nav-cta-wrap {
    display: none;
  }

  .nav-brand {
    flex: 1;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 60px;
    padding-bottom: 110px;
    gap: 36px;
  }

  .hero-title {
    font-size: 34px;
  }

  .steps-row {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .step-arrow {
    transform: rotate(90deg);
    padding-top: 0;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cta-right {
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 27px;
  }

  .statement-text {
    font-size: 24px;
  }

  .hero-title {
    font-size: 29px;
  }
}